P1–206: Quantitative label‐free proteomics for discovery of biomarkers in cerebrospinal fluid: Assessment of technical and inter‐individual variation. (1st July 2013) - Perrin, Richard; Payton, Jacqueline; Malone, James; Gilmore, Petra; Davis, Alan; Xiong, Chengjie; Fagan, Anne; Townsend, R. Reid; Holtzman, David